Currently the groups
* Authenticated Users (S-1-5-11)
* World Authority (S-1-1)
* Everyone (S-1-1-0)
* Null Authority (S-1-0)
* Nobody (S-1-0-0)
are created in UCS LDAP with sambaGroupType=2. It would be good to mark then as builtin (sambaGroupType=5). By doing this they do not need to be filtered out explicitely in S4 Connector by putting them into "connector/s4/mapping/group/ignorelist".
E.g. for Enterprise Domain Controllers (S-1-5-9) this was set to 5.

This issue has been filed against UCS 3.1.
UCS 3.1 is out of maintenance and many UCS components have vastly changed in later releases. Thus, this issue is now being closed.
If this issue still occurs in newer UCS versions, please reopen.